I’ve not changed the spool bearings on mine yet, but plan to in the near future. The part# for the o-ring is BNT5802. You can order from their site.

The guys at the Tackle Trap are awesome and I’m sure the grease is great.
$20 for 2 oz of grease seems to be a little on the high side.
Hopefully someone with some experience with it can chime in if it’s worth the cost.

I agree with Slazmo on the aluminum vs. brass. I’ve always used a heavier grease on aluminum gears to help with the vibration/ gear noise. Even then the results are short lived.

I’ve worked on several brands of reels over the course of twenty years and have never had to mark or index gears.
If there was a problem with the gears they just got replaced.
Maybe I’m not understanding the question of indexing gears or I’ve missed something?

I really appreciate the idea. I was contemplating on ordering a different handle for a fuego 3000 spinning reel (Not a fan of the stock T-knob) After reading this I realized I had a spare set of Shimano septon knobs laying around that could work. I started tinkering with the idea. First I used a pla...

This maybe of interest:

http://www.rayscott.net/news/rsol/usreel.html
Same concept as the Arbor.

My go to for small jigs and small worms in the 1/8 oz. range is a Kistler 7’ Helium 3 medium light, with a Aldebaran 50HG. Not over 7’, but does the job very well